Accessory holder module for optical equipment

Details Accessory holder module for optical equipment Accessory holder module for optical equipment

1983-03-02

1985-03-05

Henry, Jon W.

350580, G02B 700

Patent

active

045027609

ABSTRACT:
The module comprises first and second plates (4,5), with means (6) for holding said plates substantially parallel to each other and face-to-face to leave an accessory-receiving space (16) therebetween. The plates have respective optical path openings (7,8) through them substantially aligned along a common optical axis (9). Complementary male and female snap-fitting means (10, 11) are fitted to the outside surfaces of the first and second plates respectively so that a plurality of holders can be stacked to one another along the optical axis. Each holder has internal gripping means (32, 33) for resiliently gripping an accessory (12, 13) in the longitudinal direction. Robust holder modules can be cheaply manufactured from plastic to provide great versatility in fitting accessories such as filters and/or masks, polarizers, etc. . . . to a camera or other optical equipment.

REFERENCES:
patent: 1151245 (1915-08-01), Clarke
patent: 2794360 (1957-06-01), Eagle
patent: 2953970 (1960-09-01), Maynard
patent: 4302078 (1981-11-01), Stravitz
patent: 4390242 (1983-06-01), Tatsumi
patent: 4443061 (1984-04-01), Coquin

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